#!/usr/bin/env python3
from __future__ import annotations

from pathlib import Path


ROOT = Path(__file__).resolve().parents[1]
REQUIRED = [
    "Makefile",
    "README.md",
    "linker.ld",
    "arch/aarch64/entry.S",
    "arch/aarch64/vectors.S",
    "core/main.c",
    "core/trap.c",
    "mm/stage2.c",
    "guest/main.c",
]


def main() -> int:
    missing = [item for item in REQUIRED if not (ROOT / item).is_file()]
    if missing:
        for item in missing:
            print(f"missing {item}")
        return 1
    return 0


if __name__ == "__main__":
    raise SystemExit(main())